New utils script to generate new modules using templates

The script will create the module in plugins/modules, the README, test and
playbook files.

Usage: new_module [options] <module name> <author name>
       <author email address>

Create new ansible-freeipa module using templates.

Options:
  -m          Create module with member support
  -f          Force creation
  -h          Print this help

Example:

    utils/new_module -m permission "My Name" myname@some.email